Description
Elaboration of vehicular emissions inventories, consisting in four stages, pre-processing activity data, preparing emissions factors, estimating the emissions and post-processing of emissions in maps and databases. More details in Ibarra-Espinosa et al (2018) <doi:10.5194/gmd-11-2209-2018>. Before using VEIN you need to know the vehicular composition of your study area, in other words, the combination of of type of vehicles, size and fuel of the fleet. Then, it is recommended to start with the project to download a template to create a structure of directories and scripts.
Downloads
656
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1.9K
Last 90 days
6.4K
Last year
Trend: +23.1% (30d vs prior 30d)
24
Last 30 days
142
Last 90 days
438
Last year
Trend: -40% (30d vs prior 30d)
1
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11
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0
All-time
autoCRAN-only: this name is served only by autoCRAN, so the count is exact.
CRAN Check Status
Show all 13 flavors
| Flavor | Status |
|---|---|
| r-devel-linux-x86_64-debian-clang | OK |
| r-devel-linux-x86_64-debian-gcc | OK |
| r-devel-linux-x86_64-fedora-clang | OK |
| r-devel-linux-x86_64-fedora-gcc | OK |
| r-devel-windows-x86_64 | OK |
| r-oldrel-macos-arm64 | OK |
| r-oldrel-macos-x86_64 | OK |
| r-oldrel-windows-x86_64 | OK |
| r-patched-linux-x86_64 | OK |
| r-release-linux-x86_64 | OK |
| r-release-macos-arm64 | OK |
| r-release-macos-x86_64 | OK |
| r-release-windows-x86_64 | OK |
Check History
OK 13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Jun 8, 2026
ERROR 12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Jun 7, 2026
for unstated dependencies in examples
Warning in file(out, "wt") : cannot open file '/tmp/RtmpIryzOm/file2484531699269/ef_fun.R': No space left on device Error in file(out, "wt") : cannot open the connection Execution halted
OK 12 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 25, 2026
NOTE 13 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
installed package size
installed size is 5.2Mb
sub-directories of 1Mb or more:
R 3.4Mb
help 1.1Mb
Code
Structure
Lines of code
30,469
Files
289
Compiled share
3.4%
Has compiled src
Yes
Language breakdown
API
Exported functions
98
Internal functions
21
Recent export changes
Testing & CI
Has tests
Yes
Test-to-code ratio
0.30
testthat edition
–
CI present
No
CI type
[]
PR gated
No
Docs
Return-value doc rate
85.6%
\dontrun example ratio
67.4%
Roxygen coverage
100%
Has pkgdown
No
NEWS present
Yes
Health & Security signals
Informational signals; not verdicts.
on.exit coverage
63.6%
Unsafe pattern score
123
Dep constraint coverage
12.5%
Secret pattern count
0
Bundled 3rd-party code
2 items
Portability & License
Min R version
3.5.1
System requirements
–
C++ standard
–
License
MIT + file LICENSE
License flags
SPDX valid, OSI approved
History
Versions
34
First release
2017-05-14
Latest release
2025-12-21
Avg cadence
78 days
Cold removal rate
87.5%
Dep drift
16
LOC over versions
Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.